C369 What Are You Thinking about

While speaking, Su Mu couldn't help but yawn a few times. His head was so heavy that it felt uncomfortable even after he moved it. He frowned slightly, "Why do I always feel sleepy now? Is this a side effect?"

Luo Beiyao wiped away the physiological tears that floated out of the corner of Su Mu's eyes due to drowsiness and said softly